FAQs
Has Global Warming Stopped?
Global warming has slowed somewhat over the past decade or so, but slowdowns like this are expected in a warming world, and do nothing to cast doubt on the long-term upward trend in global temperatures
How Do We Know It Is Not a Natural Cycle?
When scientists look at climate variations in the past, they don’t see anything like today’s warming.
What Is the Greenhouse Effect?
The greenhouse effect happens when sunlight warms the Earth, and molecules in the atmosphere intercept the resulting heat before it can escape to space.
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